Two test tubes contain solutions of potassium fluoride and potassium iodide
| September 30, 2021 | education
Two test tubes contain solutions of potassium fluoride and potassium iodide. How can you recognize them experimentally?
If a solution of silver nitrate is added to both test tubes, then a yellow precipitate will form in the test tube with potassium iodide, and in the case of potassium fluoride, no changes will be observed.
KI + AgNO3 = KNO3 + AgI ↓.
KF + AgNO3 = KNO3 + AgF.
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